diff options
Diffstat (limited to 'engines')
-rw-r--r-- | engines/e_capi.c | 427 | ||||
-rw-r--r-- | engines/e_capi_err.c | 4 | ||||
-rw-r--r-- | engines/e_capi_err.h | 4 |
3 files changed, 354 insertions, 81 deletions
diff --git a/engines/e_capi.c b/engines/e_capi.c index deea50c723..ec8dab0f07 100644 --- a/engines/e_capi.c +++ b/engines/e_capi.c @@ -71,6 +71,8 @@ #include <windows.h> #include <wincrypt.h> +#undef X509_NAME + #include "e_capi_err.h" #include "e_capi_err.c" @@ -90,6 +92,7 @@ static int capi_list_providers(CAPI_CTX *ctx, BIO *out); static int capi_list_containers(CAPI_CTX *ctx, BIO *out); int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *storename); void capi_free_key(CAPI_KEY *key); +static int client_cert_select(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore); @@ -108,6 +111,10 @@ static int capi_rsa_free(RSA *rsa); static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen, DSA *dsa); static int capi_dsa_free(DSA *dsa); + +static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl, + STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey, + STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data); /* This structure contains CAPI ENGINE specific data: * it contains various global options and affects how @@ -126,6 +133,7 @@ struct CAPI_CTX_st { DWORD csptype; /* Certificate store name to use */ LPTSTR storename; + LPTSTR ssl_client_store; /* Lookup string meanings in load_private_key */ /* Substring of subject: uses "storename" */ @@ -158,18 +166,19 @@ static void capi_ctx_free(CAPI_CTX *ctx); static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check); static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx); -#define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE +#define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE #define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1) #define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2) -#define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3) -#define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4) -#define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5) +#define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3) +#define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4) +#define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5) #define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6) #define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7) #define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8) #define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9) #define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10) #define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11) +#define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12) static const ENGINE_CMD_DEFN capi_cmd_defns[] = { {CAPI_CMD_LIST_CERTS, @@ -221,6 +230,10 @@ static const ENGINE_CMD_DEFN capi_cmd_defns[] = { "lookup_method", "Set key lookup method (1=substring, 2=friendlyname, 3=container name)", ENGINE_CMD_FLAG_NUMERIC}, + {CAPI_CMD_STORE_NAME, + "store_name", + "certificate store name, default \"MY\"", + ENGINE_CMD_FLAG_STRING}, {0, NULL, NULL, 0} }; @@ -228,9 +241,10 @@ static const ENGINE_CMD_DEFN capi_cmd_defns[] = { static int capi_idx = -1; static int rsa_capi_idx = -1; static int dsa_capi_idx = -1; +static int cert_capi_idx = -1; static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)) -{ + { int ret = 1; CAPI_CTX *ctx; BIO *out; @@ -259,6 +273,13 @@ static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)) ret = capi_list_containers(ctx, out); break; + case CAPI_CMD_STORE_NAME: + if (ctx->storename) + OPENSSL_free(ctx->storename); + ctx->storename = BUF_strdup(p); + CAPI_trace(ctx, "Setting store name to %s\n", p); + break; + case CAPI_CMD_DEBUG_LEVEL: ctx->debug_level = (int)i; CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level); @@ -307,7 +328,7 @@ static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)) BIO_free(out); return ret; -} + } static RSA_METHOD capi_rsa_method = { @@ -348,6 +369,7 @@ static int capi_init(ENGINE *e) const RSA_METHOD *ossl_rsa_meth; const DSA_METHOD *ossl_dsa_meth; capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0); + cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0); ctx = capi_ctx_new(); if (!ctx || (capi_idx < 0)) @@ -380,7 +402,6 @@ static int capi_init(ENGINE *e) static int capi_destroy(ENGINE *e) { - ERR_unload_CAPI_strings(); return 1; } @@ -402,8 +423,11 @@ static int capi_finish(ENGINE *e) struct CAPI_KEY_st { + /* Associated certificate context (if any) */ + PCCERT_CONTEXT pcert; HCRYPTPROV hprov; HCRYPTKEY key; + DWORD keyspec; }; static int bind_capi(ENGINE *e) @@ -416,6 +440,8 @@ static int bind_capi(ENGINE *e) || !ENGINE_set_RSA(e, &capi_rsa_method) || !ENGINE_set_DSA(e, &capi_dsa_method) || !ENGINE_set_load_privkey_function(e, capi_load_privkey) + || !ENGINE_set_load_ssl_client_cert_function(e, + capi_load_ssl_client_cert) || !ENGINE_set_cmd_defns(e, capi_cmd_defns) || !ENGINE_set_ctrl_function(e, capi_ctrl)) return 0; @@ -482,34 +508,19 @@ static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen) return 1; } -static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, - UI_METHOD *ui_method, void *callback_data) +/* Given a CAPI_KEY get an EVP_PKEY structure */ + +static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY *key) { - EVP_PKEY *ret = NULL; - CAPI_CTX *ctx; - CAPI_KEY *key; unsigned char *pubkey = NULL; DWORD len; BLOBHEADER *bh; RSA *rkey = NULL; DSA *dkey = NULL; - ctx = ENGINE_get_ex_data(eng, capi_idx); - - if (!ctx) - { - CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT); - return NULL; - } - - key = capi_find_key(ctx, key_id); - - if (!key) - return NULL; - - len = 0; + EVP_PKEY *ret = NULL; if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) { - CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR); + CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR); capi_addlasterror(); return NULL; } @@ -521,7 +532,7 @@ static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) { - CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_ERROR); + CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR); capi_addlasterror(); goto err; } @@ -529,7 +540,7 @@ static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, bh = (BLOBHEADER *)pubkey; if (bh->bType != PUBLICKEYBLOB) { - CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB); + CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB); goto err; } if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) @@ -542,7 +553,7 @@ static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, { char magstr[10]; BIO_snprintf(magstr, 10, "%lx", rp->magic); - CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER); + CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER); ERR_add_error_data(2, "magic=0x", magstr); goto err; } @@ -583,7 +594,7 @@ static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, { char magstr[10]; BIO_snprintf(magstr, 10, "%lx", dp->magic); - CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER); + CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER); ERR_add_error_data(2, "magic=0x", magstr); goto err; } @@ -623,11 +634,12 @@ static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, { char algstr[10]; BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg); - CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM); + CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM); ERR_add_error_data(2, "aiKeyAlg=0x", algstr); goto err; } + err: if (pubkey) OPENSSL_free(pubkey); @@ -637,8 +649,6 @@ static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, RSA_free(rkey); if (dkey) DSA_free(dkey); - if (key) - capi_free_key(key); } return ret; @@ -649,6 +659,33 @@ memerr: } +static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, + UI_METHOD *ui_method, void *callback_data) + { + CAPI_CTX *ctx; + CAPI_KEY *key; + EVP_PKEY *ret; + ctx = ENGINE_get_ex_data(eng, capi_idx); + + if (!ctx) + { + CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT); + return NULL; + } + + key = capi_find_key(ctx, key_id); + + if (!key) + return NULL; + + ret = capi_get_pkey(eng, key); + + if (!ret) + capi_free_key(key); + return ret; + + } + /* CryptoAPI RSA operations */ int capi_rsa_priv_enc(int flen, const unsigned char *from, @@ -680,7 +717,8 @@ int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len, return -1; } /* Convert the signature type to a CryptoAPI algorithm ID */ - switch(dtype) { + switch(dtype) + { case NID_sha1: alg = CALG_SHA1; break; @@ -705,38 +743,43 @@ int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len, /* Create the hash object */ - if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) { + if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) + { CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT); capi_addlasterror(); return -1; - } + } /* Set the hash value to the value passed */ - if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) { + if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) + { CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE); capi_addlasterror(); goto err; - } + } /* Finally sign it */ slen = RSA_size(rsa); - if(!CryptSignHash(hash, AT_KEYEXCHANGE, NULL, 0, sigret, &slen)) { + if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) + { CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH); capi_addlasterror(); goto err; - } else { + } + else + { ret = 1; /* Inplace byte reversal of signature */ - for(i = 0; i < slen / 2; i++) { + for(i = 0; i < slen / 2; i++) + { unsigned char c; c = sigret[i]; sigret[i] = sigret[slen - i - 1]; sigret[slen - i - 1] = c; - } + } *siglen = slen; - } - + } /* Now cleanup */ @@ -744,11 +787,11 @@ err: CryptDestroyHash(hash); return ret; -} + } int capi_rsa_priv_dec(int flen, const unsigned char *from, unsigned char *to, RSA *rsa, int padding) -{ + { int i; unsigned char *tmpbuf; CAPI_KEY *capi_key; @@ -796,7 +839,7 @@ int capi_rsa_priv_dec(int flen, const unsigned char *from, OPENSSL_free(tmpbuf); return flen; -} + } static int capi_rsa_free(RSA *rsa) { @@ -838,23 +881,25 @@ static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen, } /* Create the hash object */ - if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) { + if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) + { CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT); capi_addlasterror(); return NULL; - } + } /* Set the hash value to the value passed */ - if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) { + if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) + { CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE); capi_addlasterror(); goto err; - } + } /* Finally sign it */ slen = sizeof(csigbuf); - if(!CryptSignHash(hash, AT_SIGNATURE, NULL, 0, csigbuf, &slen)) + if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) { CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH); capi_addlasterror(); @@ -1022,29 +1067,29 @@ static int capi_list_containers(CAPI_CTX *ctx, BIO *out) for (idx = 0;;idx++) { - clen = buflen; - cname[0] = 0; - - if (idx == 0) - flags = CRYPT_FIRST; - else - flags = 0; - if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags)) - { - err = GetLastError(); - if (err == ERROR_NO_MORE_ITEMS) - goto done; - CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR); - capi_adderror(err); - goto err; - } - CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags); - if (!cname[0] && (clen == buflen)) - { - CAPI_trace(ctx, "Enumerate bug: using workaround\n"); + clen = buflen; + cname[0] = 0; + + if (idx == 0) + flags = CRYPT_FIRST; + else + flags = 0; + if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags)) + { + err = GetLastError(); + if (err == ERROR_NO_MORE_ITEMS) goto done; - } - BIO_printf(out, "%d. %s\n", idx, cname); + CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR); + capi_adderror(err); + goto err; + } + CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags); + if (!cname[0] && (clen == buflen)) + { + CAPI_trace(ctx, "Enumerate bug: using workaround\n"); + goto done; + } + BIO_printf(out, "%d. %s\n", idx, cname); } err: @@ -1245,8 +1290,9 @@ static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE h switch(ctx->lookup_method) { case CAPI_LU_SUBSTR: - return CertFindCertificateInStore(hstore, X509_ASN_ENCODING, 0, - CERT_FIND_SUBJECT_STR_A, id, NULL); + return CertFindCertificateInStore(hstore, + X509_ASN_ENCODING, 0, + CERT_FIND_SUBJECT_STR_A, id, NULL); case CAPI_LU_FNAME: for(;;) { @@ -1275,7 +1321,7 @@ static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provnam CAPI_KEY *key; key = OPENSSL_malloc(sizeof(CAPI_KEY)); CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n", - contname, provname, ptype); + contname, provname, ptype); if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, 0)) { CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR); @@ -1289,6 +1335,8 @@ static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provnam CryptReleaseContext(key->hprov, 0); goto err; } + key->keyspec = keyspec; + key->pcert = NULL; return key; err: @@ -1309,7 +1357,8 @@ static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert) if (!provname || !contname) return 0; - key = capi_get_key(ctx, contname, provname, pinfo->dwProvType, pinfo->dwKeySpec); + key = capi_get_key(ctx, contname, provname, + pinfo->dwProvType, pinfo->dwKeySpec); err: if (pinfo) @@ -1343,7 +1392,8 @@ CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id) break; case CAPI_LU_CONTNAME: - key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype, ctx->keytype); + key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype, + ctx->keytype); break; } @@ -1356,6 +1406,8 @@ void capi_free_key(CAPI_KEY *key) return; CryptDestroyKey(key->key); CryptReleaseContext(key->hprov, 0); + if (key->pcert) + CertFreeCertificateContext(key->pcert); OPENSSL_free(key); } @@ -1376,6 +1428,7 @@ static CAPI_CTX *capi_ctx_new() ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME; ctx->keytype = AT_KEYEXCHANGE; ctx->storename = NULL; + ctx->ssl_client_store = NULL; ctx->lookup_method = CAPI_LU_SUBSTR; ctx->debug_level = 0; ctx->debug_file = NULL; @@ -1393,6 +1446,8 @@ static void capi_ctx_free(CAPI_CTX *ctx) OPENSSL_free(ctx->debug_file); if (ctx->storename) OPENSSL_free(ctx->storename); + if (ctx->ssl_client_store) + OPENSSL_free(ctx->ssl_client_store); OPENSSL_free(ctx); } @@ -1402,7 +1457,8 @@ static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int che if (check) { HCRYPTPROV hprov; - if (!CryptAcquireContext(&hprov, NULL, pname, type, CRYPT_VERIFYCONTEXT)) + if (!CryptAcquireContext(&hprov, NULL, pname, type, + CRYPT_VERIFYCONTEXT)) { CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR); capi_addlasterror(); @@ -1424,5 +1480,214 @@ static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx) return capi_ctx_set_provname(ctx, pname, type, 0); } +static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x) + { + int i; + X509_NAME *nm; + /* Special case: empty list: match anything */ + if (sk_X509_NAME_num(ca_dn) <= 0) + return 1; + for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) + { + nm = sk_X509_NAME_value(ca_dn, i); + if (!X509_NAME_cmp(nm, X509_get_issuer_name(x))) + return 1; + } + return 0; + } + + + +static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl, + STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey, + STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data) + { + STACK_OF(X509) *certs = NULL; + X509 *x; + char *storename; + const char *p; + int i, client_cert_idx; + HCERTSTORE hstore; + PCCERT_CONTEXT cert = NULL, excert = NULL; + CAPI_CTX *ctx; + CAPI_KEY *key; + ctx = ENGINE_get_ex_data(e, capi_idx); + + *pcert = NULL; + *pkey = NULL; + + storename = ctx->ssl_client_store; + if (!storename) + storename = "MY"; + + hstore = capi_open_store(ctx, storename); + if (!hstore) + return 0; + /* Enumerate all certificates collect any matches */ + for(i = 0;;i++) + { + cert = CertEnumCertificatesInStore(hstore, cert); + if (!cert) + break; + p = cert->pbCertEncoded; + x = d2i_X509(NULL, &p, cert->cbCertEncoded); + if (!x) + { + CAPI_trace(ctx, "Can't Parse Certificate %d\n", i); + continue; + } + if (cert_issuer_match(ca_dn, x)) + { + key = capi_get_cert_key(ctx, cert); + if (!key) + continue; + /* Match found: attach extra data to it so + * we can retrieve the key later. + */ + excert = CertDuplicateCertificateContext(cert); + key->pcert = excert; + X509_set_ex_data(x, cert_capi_idx, key); + + if (!certs) + certs = sk_X509_new_null(); + + sk_X509_push(certs, x); + } + else + X509_free(x); + + } + + if (cert) + CertFreeCertificateContext(cert); + if (hstore) + CertCloseStore(hstore, 0); + + if (!certs) + return 0; + + + /* Select the appropriate certificate */ + + client_cert_idx = client_cert_select(e, ssl, certs); + + /* Set the selected certificate and free the rest */ + + for(i = 0; i < sk_X509_num(certs); i++) + { + x = sk_X509_value(certs, i); + if (i == client_cert_idx) + *pcert = x; + else + { + key = X509_get_ex_data(x, cert_capi_idx); + capi_free_key(key); + X509_free(x); + } + } + + sk_X509_free(certs); + + if (!*pcert) + return 0; + + /* Setup key for selected certificate */ + + key = X509_get_ex_data(*pcert, cert_capi_idx); + *pkey = capi_get_pkey(e, key); + X509_set_ex_data(*pcert, cert_capi_idx, NULL); + + return 1; + + } + +#ifndef OPENSSL_CAPIENG_DIALOG + +/* Simple client cert selection function: always select first */ + +static int client_cert_select(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs) + { + return 0; + } + +#else + +/* More complex cert selection function, using standard function + * CryptUIDlgSelectCertificateFromStore() to produce a dialog box. + */ + +#include <cryptuiapi.h> + +#define dlg_title L"OpenSSL Application SSL Client Certificate Selection" +#define dlg_prompt L"Select a certificate to use for authentication" + +static int client_cert_select(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs) + { + X509 *x; + HCERTSTORE dstore; + PCCERT_CONTEXT cert; + CAPI_CTX *ctx; + CAPI_KEY *key; + HWND hwnd; + int i, idx = -1; + ctx = ENGINE_get_ex_data(e, capi_idx); + /* Create an in memory store of certificates */ + dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0, + CERT_STORE_CREATE_NEW_FLAG, NULL); + if (!dstore) + { + CAPIerr(CAPI_F_CLIENT_CERT_SELECT, CAPI_R_ERROR_CREATING_STORE); + capi_addlasterror(); + goto err; + } + /* Add all certificates to store */ + for(i = 0; i < sk_X509_num(certs); i++) + { + x = sk_X509_value(certs, i); + key = X509_get_ex_data(x, cert_capi_idx); + + if (!CertAddCertificateContextToStore(dstore, key->pcert, + CERT_STORE_ADD_NEW, NULL)) + { + CAPIerr(CAPI_F_CLIENT_CERT_SELECT, CAPI_R_ERROR_ADDING_CERT); + capi_addlasterror(); + goto err; + } + + } + hwnd = GetActiveWindow(); + if (!hwnd) + hwnd = GetConsoleWindow(); + /* Call dialog to select one */ + cert = CryptUIDlgSelectCertificateFromStore(dstore, hwnd, + dlg_title, dlg_prompt, + 0, 0, NULL); + + /* Find matching cert from list */ + if (cert) + { + for(i = 0; i < sk_X509_num(certs); i++) + { + x = sk_X509_value(certs, i); + key = X509_get_ex_data(x, cert_capi_idx); + if (CertCompareCertificate( + X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, + cert->pCertInfo, + key->pcert->pCertInfo)) + { + idx = i; + break; + } + } + } + + err: + if (dstore) + CertCloseStore(dstore, 0); + return idx; + + } +#endif + #endif #endif diff --git a/engines/e_capi_err.c b/engines/e_capi_err.c index 6ffd5bf574..64d7f7237b 100644 --- a/engines/e_capi_err.c +++ b/engines/e_capi_err.c @@ -76,6 +76,7 @@ static ERR_STRING_DATA CAPI_str_functs[]= {ERR_FUNC(CAPI_F_CAPI_CTX_SET_PROVNAME), "CAPI_CTX_SET_PROVNAME"}, {ERR_FUNC(CAPI_F_CAPI_DSA_DO_SIGN), "CAPI_DSA_DO_SIGN"}, {ERR_FUNC(CAPI_F_CAPI_GET_KEY), "CAPI_GET_KEY"}, +{ERR_FUNC(CAPI_F_CAPI_GET_PKEY), "CAPI_GET_PKEY"}, {ERR_FUNC(CAPI_F_CAPI_GET_PROVNAME), "CAPI_GET_PROVNAME"}, {ERR_FUNC(CAPI_F_CAPI_GET_PROV_INFO), "CAPI_GET_PROV_INFO"}, {ERR_FUNC(CAPI_F_CAPI_INIT), "CAPI_INIT"}, @@ -85,6 +86,7 @@ static ERR_STRING_DATA CAPI_str_functs[]= {ERR_FUNC(CAPI_F_CAPI_RSA_PRIV_DEC), "CAPI_RSA_PRIV_DEC"}, {ERR_FUNC(CAPI_F_CAPI_RSA_PRIV_ENC), "CAPI_RSA_PRIV_ENC"}, {ERR_FUNC(CAPI_F_CAPI_RSA_SIGN), "CAPI_RSA_SIGN"}, +{ERR_FUNC(CAPI_F_CLIENT_CERT_SELECT), "CLIENT_CERT_SELECT"}, {ERR_FUNC(CAPI_F_WIDE_TO_ASC), "WIDE_TO_ASC"}, {0,NULL} }; @@ -100,6 +102,8 @@ static ERR_STRING_DATA CAPI_str_reasons[]= {ERR_REASON(CAPI_R_DECRYPT_ERROR) ,"decrypt error"}, {ERR_REASON(CAPI_R_ENGINE_NOT_INITIALIZED),"engine not initialized"}, {ERR_REASON(CAPI_R_ENUMCONTAINERS_ERROR) ,"enumcontainers error"}, +{ERR_REASON(CAPI_R_ERROR_ADDING_CERT) ,"error adding cert"}, +{ERR_REASON(CAPI_R_ERROR_CREATING_STORE) ,"error creating store"}, {ERR_REASON(CAPI_R_ERROR_GETTING_FRIENDLY_NAME),"error getting friendly name"}, {ERR_REASON(CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO),"error getting key provider info"}, {ERR_REASON(CAPI_R_ERROR_OPENING_STORE) ,"error opening store"}, diff --git a/engines/e_capi_err.h b/engines/e_capi_err.h index cb801140b9..c8cf4671ee 100644 --- a/engines/e_capi_err.h +++ b/engines/e_capi_err.h @@ -73,6 +73,7 @@ static void ERR_CAPI_error(int function, int reason, char *file, int line); #define CAPI_F_CAPI_CTX_SET_PROVNAME 102 #define CAPI_F_CAPI_DSA_DO_SIGN 114 #define CAPI_F_CAPI_GET_KEY 103 +#define CAPI_F_CAPI_GET_PKEY 115 #define CAPI_F_CAPI_GET_PROVNAME 104 #define CAPI_F_CAPI_GET_PROV_INFO 105 #define CAPI_F_CAPI_INIT 106 @@ -82,6 +83,7 @@ static void ERR_CAPI_error(int function, int reason, char *file, int line); #define CAPI_F_CAPI_RSA_PRIV_DEC 110 #define CAPI_F_CAPI_RSA_PRIV_ENC 111 #define CAPI_F_CAPI_RSA_SIGN 112 +#define CAPI_F_CLIENT_CERT_SELECT 116 #define CAPI_F_WIDE_TO_ASC 113 /* Reason codes. */ @@ -94,6 +96,8 @@ static void ERR_CAPI_error(int function, int reason, char *file, int line); #define CAPI_R_DECRYPT_ERROR 105 #define CAPI_R_ENGINE_NOT_INITIALIZED 106 #define CAPI_R_ENUMCONTAINERS_ERROR 107 +#define CAPI_R_ERROR_ADDING_CERT 125 +#define CAPI_R_ERROR_CREATING_STORE 126 #define CAPI_R_ERROR_GETTING_FRIENDLY_NAME 108 #define CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO 109 #define CAPI_R_ERROR_OPENING_STORE 110 |